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Prediction of stresses and strains around model tunnels with adjacent embedded walls in overconsolidated clay

Bilotta, E. & Stallebrass, S. E. (2009). Prediction of stresses and strains around model tunnels with adjacent embedded walls in overconsolidated clay. Computers and Geotechnics, 36(6), pp. 1049-1057. doi: 10.1016/j.compgeo.2009.03.015


This paper presents the results of finite element analyses carried out using different constitutive models for overconsolidated clay: the Modified Cam clay model and the Three-Surface Kinematic Hardening (3-SKH) model. These analyses are evaluated against data from an extensive series of physical model tests examining the influence of an embedded wall placed near a tunnel on ground movements and tunnel stability. It is shown that for heavily overconsolidated soils reasonable predictions of both deformations and failure can be obtained from kinematic hardening models such as the 3-SKH model, which allow plastic deformation inside a Modified Cam clay state boundary surface.

Publication Type: Article
Additional Information: NOTICE: this is the author’s version of a work that was accepted for publication in Computers and Geotechnics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Computers and Geotechnics, Volume 36, Issue 6, July 2009, Pages 1049–1057,
Publisher Keywords: Tunnelling; Numerical analysis; Constitutive models; Overconsolidated soil
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: School of Science & Technology > Engineering
SWORD Depositor:
[thumbnail of Stress-strain_behaviour_of_soil_around_tunnels_in_overconsolidate_clay_pre-final.pdf]
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